Word: trembler
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Dates: during 1950-1959
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Finding the bomb is the least of it. Most German bombs had an electric fuse charged by current flowing through a long telescopic arm at the moment of release. When the bomb hit the ground, the shock worked a "trembler switch" that touched off the bomb's main charge. After 14 years, these electric fuses are dead, but what about the clockwork fuses used to back them up? Answer: a magnetic clock-stopper to freeze the mechanism...
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